<?php
echo "计算机用户输入两个整数的加减乘除的结果\n";
echo "请输入两个整数，用逗号分隔开来：\n";
$count = fscanf(STDIN, "%d ,%d", $a, $b);
$jia = $a + $b;
$jian = $a - $b;
$cheng = $a * $b;
$chu = $a / $b;
echo "$a + $b = $jia\n";
echo "$a - $b = $jian\n";
echo "$a * $b = $cheng\n";
echo "$a / $b = $chu\n";

